Thursday - March 12, 2026
DOE Approves Safety Documentation for MARVEL Microreactor Initial Criticality
March 12, 2026
IDAHO FALLS, Idaho, March 12 -- The U.S. Department of Energy Idaho National Laboratory issued the following news release:

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DOE approves safety documentation for MARVEL microreactor initial criticality

The U.S. Department of Energy's Idaho Operations Office has approved a key safety document for the MARVEL microreactor at Idaho National Laboratory. The approved document, called a Preliminary Documented Safety Analysis (PDSA), marks a major milesto . . .

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